Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646644 | Tone and picture generator device | Hideo Suzuki, Satoshi Sekine, Yoshimasa Isozaki | 2003-11-11 |
| 6555737 | Performance instruction apparatus and method | Satoshi Sekine, Takahiro OHARA | 2003-04-29 |